*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WT4830000
CHEMICAL NAME           : Sulfur trioxide
CAS REGISTRY NUMBER     : 7446-11-9
LAST UPDATED            : 199710
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : O3-S
MOLECULAR WEIGHT        : 80.06
WISWESSER LINE NOTATION :  S  O3
COMPOUND DESCRIPTOR     : Tumorigen
                          Human
SYNONYMS/TRADE NAMES :
   * Sulfan
   * Sulfuric anhydride
   * Sulfuric oxide
   * Sulphur trioxide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 30 mg/m3
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Lungs, Thorax, or Respiration - cough
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JPBAA7 Journal of Pathology and Bacteriology.  (London, UK)  V.1-96,
   1892-1968.  For publisher information, see JPTLAS. Volume(issue)/page/year:
   68,197,1954
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 30 mg/m3/6H
TOXIC EFFECTS :
   Liver - hepatitis (hepatocellular necrosis), diffuse
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Endocrine - other changes
REFERENCE :
   JPBAA7 Journal of Pathology and Bacteriology.  (London, UK)  V.1-96,
   1892-1968.  For publisher information, see JPTLAS. Volume(issue)/page/year:
   68,197,1954

                              *** REVIEWS ***
 
   IARC Cancer Review:Human Sufficient Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 54,41,1992

   IARC Cancer Review:Group 1
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 54,41,1992

   TOXICOLOGY REVIEW
   AEHLAU Archives of Environmental Health.  (Heldref Pub., 4000 Albemarle St.,
   NW, Washington, DC 20016)  V.1-    1960-  Volume(issue)/page/year:
   16,903,1968

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-FINLAND:STEL 1 ppm (3 mg/m3);Skin JAN 1993
   
   OEL-HUNGARY:STEL 1 mg/m3 JAN 1993
   
   OEL-POLAND:TWA 1 mg/m3 JAN 1993
   
   OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M0745
       No. of Facilities: 1316 (estimated)
       No. of Industries: 20
       No. of Occupations: 39
       No. of Employees: 51404 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M0745
       No. of Facilities: 2524 (estimated)
       No. of Industries: 17
       No. of Occupations: 27
       No. of Employees: 56102 (estimated)
       No. of Female Employees: 3077 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***